596 GEAMiNE^. [Dactylis. 



XIX. Dactylis, Linn. Cock's-foot- grass. 



" Panicle with the secondary branches short and very dense, 

 subsecund. Spikelets with 3 or more florets, compressed, with- 

 out a bractea at the base. Glumes 2, unequal, shorter than the 

 spikelet ; outer one keeled. Glumellas 2 ; outer one keeled, and 

 ciliated at the back, 5-nerved, lanceolate, with a short bristle 

 close to the point, enclosing the caryopsis." — Br. Fl. 



1. T>. glomerata, L. Rough Cock's-foot- grass. "Branches of 

 the panicle with ovate clusters of spikelets, leaves linear flat the 

 margins scabrous, stem erect, root tufted." — Br. Fl. p. 541. E. 

 B. t. 335. Host. Gram. Aust. ii. 67, t. 94. 



In woods, meadows, pastures, waste places, and by roadsides, everywhere. Fl. 

 June— August. If. 



XX. Cynosurds, Linn. Dog's-taU-grass. 



"Panicle spiked, unilateral. Spikelets Wiih 2 — 5 perfect j^o?-ete, 

 distichous, with a pectinated bractea or involucre (an abortive 

 spikelet) at its base. Glumes 2, equal, membranaceous, much 

 shorter than the spikelet, 1 -nerved, keeled, shortly awned. Glu- 

 mellas 2, membranaceous, linear-lanceolate; outer awned below 

 the extremity or mucronate, faintly 5-nerved." — Br. Fl. 



1. C. cristatus, L. Crested Dog's-tail-grass. " Eaceme in a 

 linear spike, florets with a very short awn." — Br. Fl. p. 542. E. 

 B. t. 316. Host. Gram. Aust. ii. 68, t. 96. 



In dry pastures, hay fields, and by waysides; extremely common. FL June, 

 July. 2f.. 



|3. Panicle lax, spreading or divaricate. 



XXI. PoA, Linn. Meadow-grass. 



" Glumes shorter than the lowest flower," " rather unequal. 

 Outer pale with 3 or 5 parallel nerves, membranous below, sca- 

 rious at the tip, compressed, keeled, unarmed." " Styles very 

 short," "terminal." — Bab. Man. 



A. Florets not webbed. 



1. F. annua, Ti. Annual Meadoiv-grass. " Panicle subsecund 

 divaricated somewhat triangular, spikelets oblong- ovate of about 

 5 florets which are a little remote 5-ribbed destitute of web, the 

 midrib and all the nerves more or less silky, upper sheath longer 

 than its leaf, ligule oblong acute, culm ascending compressed, 

 root fibrous."— 5r. Fl. p. 540. E. B. t. 1141. 



In meadows, pastures, streets, courtyards, and under walls; the commonest of 

 grasses. Fl. January — December. 0. 



